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HEPA air purifiers may boost brain function after just one month

Summary by Science Daily
Adults aged 40 and older performed about 12% faster on a test of executive function after using a HEPA air purifier at home for one month. The findings suggest that cleaner indoor air could offer a simple way to help protect the brain from the effects of traffic-related pollution.

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A recent study indicates that the use of HEPA air purifiers can result in significant improvements in brain function in adults over 40 after one month of use. The research, conducted in Somerville, Massachusetts, suggests that air purification may be an effective strategy to mitigate the effects of air pollution on mental health. The study, published in the journal Scientific Reports, demonstrated that adults aged 40 and older showed a 12% incre…

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Science Daily broke the news in Encinitas, United States on Sunday, August 30, 2026.
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